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River Dene polluted by sewage 237 times in 2025 - lasting 2,046 hours

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Contains OS Data © Crown copyright & database right 2021-2024
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Totals for River Dene in 2025
8 Sites polluted by Severn Trent Water
237 sewage dumps
2,046 h duration
That's 2.84 months. 4.6 times a week, on average
Places along River Dene

Pollution Summary 2025

Here are all the reported sewage overflow totals for River Dene in 2025. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Severn Trent Water River Dene WELLESBOURNE SEWAGE TREATMENT WORKS 87 1,509 100
Severn Trent Water River Dene NORTHEND STW 84 287 98.3
Severn Trent Water River Dene KINETON SEWAGE TREATMENT WORKS 19 193 99.9
Severn Trent Water River Dene ETTINGTON SEWAGE WORKS 41 47 100
Severn Trent Water River Dene CASTLE CRESCENT CSO 1 4 96
Severn Trent Water River Dene LITTLE KINETON CSO 3 2 100
Severn Trent Water River Dene BANBURY ROAD CSO 1 0 100
Severn Trent Water River Dene SOUTHAM STREET CSO 1 0 100

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.